author | blanchet |
Fri, 20 Jul 2012 22:19:46 +0200 | |
changeset 48394 | 82fc8c956cdc |
parent 48392 | ca998fa08cd9 |
child 48404 | 0a261b4aa093 |
permissions | -rw-r--r-- |
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(* Title: HOL/TPTP/mash_eval.ML |
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Author: Jasmin Blanchette, TU Muenchen |
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Copyright 2012 |
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Evaluate proof suggestions from MaSh (Machine-learning for Sledgehammer). |
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*) |
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signature MASH_EVAL = |
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sig |
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type params = Sledgehammer_Provers.params |
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val evaluate_mash_suggestions : |
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Proof.context -> params -> theory -> string -> unit |
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end; |
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structure MaSh_Eval : MASH_EVAL = |
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struct |
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open Sledgehammer_Fact |
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open Sledgehammer_MaSh |
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val MePoN = "MePo" |
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val MaShN = "MaSh" |
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val MeshN = "Mesh" |
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val IsarN = "Isar" |
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val max_facts_slack = 2 |
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val all_names = |
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filter_out is_likely_tautology_or_too_meta |
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#> map (rpair () o nickname_of) #> Symtab.make |
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fun evaluate_mash_suggestions ctxt params thy file_name = |
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let |
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val {provers, max_facts, slice, type_enc, lam_trans, timeout, ...} = |
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Sledgehammer_Isar.default_params ctxt [] |
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val prover = hd provers |
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val slack_max_facts = max_facts_slack * the max_facts |
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val path = file_name |> Path.explode |
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val lines = path |> File.read_lines |
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val css_table = Sledgehammer_Fact.clasimpset_rule_table_of ctxt |
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val facts = all_facts_of (Proof_Context.init_global thy) css_table |
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val all_names = all_names (facts |> map snd) |
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val mepo_ok = Unsynchronized.ref 0 |
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val mash_ok = Unsynchronized.ref 0 |
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val mesh_ok = Unsynchronized.ref 0 |
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val isar_ok = Unsynchronized.ref 0 |
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fun with_index facts s = (find_index (curry (op =) s) facts + 1, s) |
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fun index_string (j, s) = s ^ "@" ^ string_of_int j |
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fun str_of_res label facts {outcome, run_time, used_facts, ...} = |
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let val facts = facts |> map (fn ((name, _), _) => name ()) in |
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" " ^ label ^ ": " ^ |
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(if is_none outcome then |
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"Success (" ^ ATP_Util.string_from_time run_time ^ "): " ^ |
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(used_facts |> map (with_index facts o fst) |
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|> sort (int_ord o pairself fst) |
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|> map index_string |
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|> space_implode " ") ^ |
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(if length facts < the max_facts then |
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" (of " ^ string_of_int (length facts) ^ ")" |
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else |
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"") |
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else |
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"Failure: " ^ |
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(facts |> take (the max_facts) |> tag_list 1 |
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|> map index_string |
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|> space_implode " ")) |
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end |
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fun solve_goal (j, line) = |
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let |
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val (name, suggs) = extract_query line |
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val th = |
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case find_first (fn (_, th) => nickname_of th = name) facts of |
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SOME (_, th) => th |
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| NONE => error ("No fact called \"" ^ name ^ "\"") |
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val goal = goal_of_thm thy th |
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val (_, hyp_ts, concl_t) = ATP_Util.strip_subgoal ctxt goal 1 |
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val isar_deps = isar_dependencies_of all_names th |
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val facts = facts |> filter (fn (_, th') => thm_ord (th', th) = LESS) |
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val mepo_facts = |
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Sledgehammer_MePo.iterative_relevant_facts ctxt params prover |
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slack_max_facts NONE hyp_ts concl_t facts |
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improved meshing of MaSh and Meng--Paulson if some MaSh suggestions are cut-off (the common case)
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val mash_facts = facts |> suggested_facts suggs |
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val mess = [(mepo_facts, []), (mash_facts, [])] |
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val mesh_facts = mesh_facts slack_max_facts mess |
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val isar_facts = suggested_facts isar_deps facts |
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fun prove ok heading facts = |
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let |
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val facts = |
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facts |
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|> Sledgehammer_Fact.maybe_instantiate_inducts ctxt hyp_ts concl_t |
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|> take (the max_facts) |
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val res as {outcome, ...} = |
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run_prover_for_mash ctxt params prover facts goal |
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val _ = if is_none outcome then ok := !ok + 1 else () |
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in str_of_res heading facts res end |
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val mepo_s = prove mepo_ok MePoN mepo_facts |
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val mash_s = prove mash_ok MaShN mash_facts |
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val mesh_s = prove mesh_ok MeshN mesh_facts |
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val isar_s = prove isar_ok IsarN isar_facts |
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in |
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["Goal " ^ string_of_int j ^ ": " ^ name, mepo_s, mash_s, mesh_s, |
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isar_s] |
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|> cat_lines |> tracing |
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end |
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fun total_of heading ok n = |
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" " ^ heading ^ ": " ^ string_of_int (!ok) ^ " (" ^ |
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Real.fmt (StringCvt.FIX (SOME 1)) |
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(100.0 * Real.fromInt (!ok) / Real.fromInt n) ^ "%)" |
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val inst_inducts = Config.get ctxt Sledgehammer_Fact.instantiate_inducts |
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val options = |
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[prover, string_of_int (the max_facts) ^ " facts", |
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"slice" |> not slice ? prefix "dont_", the_default "smart" type_enc, |
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the_default "smart" lam_trans, ATP_Util.string_from_time timeout, |
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"instantiate_inducts" |> not inst_inducts ? prefix "dont_"] |
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val n = length lines |
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in |
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tracing " * * *"; |
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tracing ("Options: " ^ commas options); |
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List.app solve_goal (tag_list 1 lines); |
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["Successes (of " ^ string_of_int n ^ " goals)", |
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total_of MePoN mepo_ok n, |
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total_of MaShN mash_ok n, |
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total_of MeshN mesh_ok n, |
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total_of IsarN isar_ok n] |
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|> cat_lines |> tracing |
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end |
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end; |